The Vandoren Paris 5RV mouthpiece has long been their most popular mouthpiece. The Lyre model is extremely responsive, and easy to control in all registers, making it an excellent choice for students. It is perfect for chamber and symphonic playing. It features a tip opening of 1.09 mm (.043") and a medium facing length. Available in the traditional or Profile 88 beak, which has a longer slope, giving more options as far as playing position, air flow, etc, to the player.